Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

A celebration of Colombia’s premier contemporary artist.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

Enchanting cave with a river crashing through the roof.

Two identical statues by Fernando Botero, one blown to pieces in a terrorist bombing, the other donated as a gift for peace.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

Despite its ornamental looks, this towering Tuscan-inspired anomaly was a masterpiece in hydraulic engineering.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

Modern commuters still pass through this 2,000-year-old Roman archway.

Giant, friendly pelicans in Central London, the most unlikely of places.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

One of the world's largest collections of pathological specimens.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A marvel of Byzantine engineering under the streets of Istanbul.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.